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Diffstat (limited to 'drawinglayer/source/texture/texture3d.cxx')
| -rw-r--r-- | drawinglayer/source/texture/texture3d.cxx | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/drawinglayer/source/texture/texture3d.cxx b/drawinglayer/source/texture/texture3d.cxx new file mode 100644 index 000000000..0a8393799 --- /dev/null +++ b/drawinglayer/source/texture/texture3d.cxx @@ -0,0 +1,351 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <algorithm> + +#include <texture/texture3d.hxx> +#include <vcl/BitmapReadAccess.hxx> +#include <vcl/BitmapTools.hxx> +#include <primitive3d/hatchtextureprimitive3d.hxx> +#include <sal/log.hxx> + +namespace drawinglayer::texture +{ + GeoTexSvxMono::GeoTexSvxMono( + const basegfx::BColor& rSingleColor, + double fOpacity) + : maSingleColor(rSingleColor), + mfOpacity(fOpacity) + { + } + + bool GeoTexSvxMono::operator==(const GeoTexSvx& rGeoTexSvx) const + { + const GeoTexSvxMono* pCompare = dynamic_cast< const GeoTexSvxMono* >(&rGeoTexSvx); + + return (pCompare + && maSingleColor == pCompare->maSingleColor + && mfOpacity == pCompare->mfOpacity); + } + + void GeoTexSvxMono::modifyBColor(const basegfx::B2DPoint& /*rUV*/, basegfx::BColor& rBColor, double& /*rfOpacity*/) const + { + rBColor = maSingleColor; + } + + void GeoTexSvxMono::modifyOpacity(const basegfx::B2DPoint& /*rUV*/, double& rfOpacity) const + { + rfOpacity = mfOpacity; + } + + + GeoTexSvxBitmapEx::GeoTexSvxBitmapEx( + const BitmapEx& rBitmapEx, + const basegfx::B2DRange& rRange) + : maBitmapEx(rBitmapEx), + maTopLeft(rRange.getMinimum()), + maSize(rRange.getRange()), + mfMulX(0.0), + mfMulY(0.0), + mbIsAlpha(maBitmapEx.IsAlpha()) + { + if(vcl::bitmap::convertBitmap32To24Plus8(maBitmapEx,maBitmapEx)) + mbIsAlpha = maBitmapEx.IsAlpha(); + // #121194# Todo: use alpha channel, too (for 3d) + maBitmap = maBitmapEx.GetBitmap(); + + if(mbIsAlpha) + { + maTransparence = rBitmapEx.GetAlpha().GetBitmap(); + mpReadTransparence = Bitmap::ScopedReadAccess(maTransparence); + } + + if (!maBitmap.IsEmpty()) + mpReadBitmap = Bitmap::ScopedReadAccess(maBitmap); + SAL_WARN_IF(!mpReadBitmap, "drawinglayer", "GeoTexSvxBitmapEx: Got no read access to Bitmap"); + if (mpReadBitmap) + { + mfMulX = static_cast<double>(mpReadBitmap->Width()) / maSize.getX(); + mfMulY = static_cast<double>(mpReadBitmap->Height()) / maSize.getY(); + } + + if(maSize.getX() <= 1.0) + { + maSize.setX(1.0); + } + + if(maSize.getY() <= 1.0) + { + maSize.setY(1.0); + } + } + + GeoTexSvxBitmapEx::~GeoTexSvxBitmapEx() + { + } + + sal_uInt8 GeoTexSvxBitmapEx::impGetTransparence(sal_Int32 rX, sal_Int32 rY) const + { + if(mbIsAlpha) + { + OSL_ENSURE(mpReadTransparence, "OOps, transparence type Bitmap, but no read access created in the constructor (?)"); + const BitmapColor aBitmapColor(mpReadTransparence->GetPixel(rY, rX)); + return aBitmapColor.GetIndex(); + } + return 0; + } + + bool GeoTexSvxBitmapEx::impIsValid(const basegfx::B2DPoint& rUV, sal_Int32& rX, sal_Int32& rY) const + { + if(mpReadBitmap) + { + rX = static_cast<sal_Int32>((rUV.getX() - maTopLeft.getX()) * mfMulX); + + if(rX >= 0 && rX < mpReadBitmap->Width()) + { + rY = static_cast<sal_Int32>((rUV.getY() - maTopLeft.getY()) * mfMulY); + + return (rY >= 0 && rY < mpReadBitmap->Height()); + } + } + + return false; + } + + void GeoTexSvxBitmapEx::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const + { + sal_Int32 nX, nY; + + if(impIsValid(rUV, nX, nY)) + { + const double fConvertColor(1.0 / 255.0); + const BitmapColor aBMCol(mpReadBitmap->GetColor(nY, nX)); + const basegfx::BColor aBSource( + static_cast<double>(aBMCol.GetRed()) * fConvertColor, + static_cast<double>(aBMCol.GetGreen()) * fConvertColor, + static_cast<double>(aBMCol.GetBlue()) * fConvertColor); + + rBColor = aBSource; + + if(mbIsAlpha) + { + // when we have a transparence, make use of it + const sal_uInt8 aLuminance(impGetTransparence(nX, nY)); + + rfOpacity = (static_cast<double>(0xff - aLuminance) * (1.0 / 255.0)); + } + else + { + rfOpacity = 1.0; + } + } + else + { + rfOpacity = 0.0; + } + } + + void GeoTexSvxBitmapEx::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const + { + sal_Int32 nX, nY; + + if(impIsValid(rUV, nX, nY)) + { + if(mbIsAlpha) + { + // this texture has an alpha part, use it + const sal_uInt8 aLuminance(impGetTransparence(nX, nY)); + const double fNewOpacity(static_cast<double>(0xff - aLuminance) * (1.0 / 255.0)); + + rfOpacity = 1.0 - ((1.0 - fNewOpacity) * (1.0 - rfOpacity)); + } + else + { + // this texture is a color bitmap used as transparence map + const BitmapColor aBMCol(mpReadBitmap->GetColor(nY, nX)); + const Color aColor(aBMCol.GetRed(), aBMCol.GetGreen(), aBMCol.GetBlue()); + + rfOpacity = (static_cast<double>(0xff - aColor.GetLuminance()) * (1.0 / 255.0)); + } + } + else + { + rfOpacity = 0.0; + } + } + + + basegfx::B2DPoint GeoTexSvxBitmapExTiled::impGetCorrected(const basegfx::B2DPoint& rUV) const + { + double fX(rUV.getX() - maTopLeft.getX()); + double fY(rUV.getY() - maTopLeft.getY()); + + if(mbUseOffsetX) + { + const sal_Int32 nCol(static_cast< sal_Int32 >((fY < 0.0 ? maSize.getY() -fY : fY) / maSize.getY())); + + if(nCol % 2) + { + fX += mfOffsetX * maSize.getX(); + } + } + else if(mbUseOffsetY) + { + const sal_Int32 nRow(static_cast< sal_Int32 >((fX < 0.0 ? maSize.getX() -fX : fX) / maSize.getX())); + + if(nRow % 2) + { + fY += mfOffsetY * maSize.getY(); + } + } + + fX = fmod(fX, maSize.getX()); + fY = fmod(fY, maSize.getY()); + + if(fX < 0.0) + { + fX += maSize.getX(); + } + + if(fY < 0.0) + { + fY += maSize.getY(); + } + + return basegfx::B2DPoint(fX + maTopLeft.getX(), fY + maTopLeft.getY()); + } + + GeoTexSvxBitmapExTiled::GeoTexSvxBitmapExTiled( + const BitmapEx& rBitmapEx, + const basegfx::B2DRange& rRange, + double fOffsetX, + double fOffsetY) + : GeoTexSvxBitmapEx(rBitmapEx, rRange), + mfOffsetX(std::clamp(fOffsetX, 0.0, 1.0)), + mfOffsetY(std::clamp(fOffsetY, 0.0, 1.0)), + mbUseOffsetX(!basegfx::fTools::equalZero(mfOffsetX)), + mbUseOffsetY(!mbUseOffsetX && !basegfx::fTools::equalZero(mfOffsetY)) + { + } + + void GeoTexSvxBitmapExTiled::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const + { + if(mpReadBitmap) + { + GeoTexSvxBitmapEx::modifyBColor(impGetCorrected(rUV), rBColor, rfOpacity); + } + } + + void GeoTexSvxBitmapExTiled::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const + { + if(mpReadBitmap) + { + GeoTexSvxBitmapEx::modifyOpacity(impGetCorrected(rUV), rfOpacity); + } + } + + + GeoTexSvxMultiHatch::GeoTexSvxMultiHatch( + const primitive3d::HatchTexturePrimitive3D& rPrimitive, + double fLogicPixelSize) + : mfLogicPixelSize(fLogicPixelSize) + { + const attribute::FillHatchAttribute& rHatch(rPrimitive.getHatch()); + const basegfx::B2DRange aOutlineRange(0.0, 0.0, rPrimitive.getTextureSize().getX(), rPrimitive.getTextureSize().getY()); + const double fAngleA(rHatch.getAngle()); + maColor = rHatch.getColor(); + mbFillBackground = rHatch.isFillBackground(); + mp0.reset( new GeoTexSvxHatch( + aOutlineRange, + aOutlineRange, + rHatch.getDistance(), + fAngleA) ); + + if(attribute::HatchStyle::Double == rHatch.getStyle() || attribute::HatchStyle::Triple == rHatch.getStyle()) + { + mp1.reset( new GeoTexSvxHatch( + aOutlineRange, + aOutlineRange, + rHatch.getDistance(), + fAngleA + M_PI_2) ); + } + + if(attribute::HatchStyle::Triple == rHatch.getStyle()) + { + mp2.reset( new GeoTexSvxHatch( + aOutlineRange, + aOutlineRange, + rHatch.getDistance(), + fAngleA + M_PI_4) ); + } + } + + GeoTexSvxMultiHatch::~GeoTexSvxMultiHatch() + { + } + + bool GeoTexSvxMultiHatch::impIsOnHatch(const basegfx::B2DPoint& rUV) const + { + if(mp0->getDistanceToHatch(rUV) < mfLogicPixelSize) + { + return true; + } + + if(mp1 && mp1->getDistanceToHatch(rUV) < mfLogicPixelSize) + { + return true; + } + + if(mp2 && mp2->getDistanceToHatch(rUV) < mfLogicPixelSize) + { + return true; + } + + return false; + } + + void GeoTexSvxMultiHatch::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const + { + if(impIsOnHatch(rUV)) + { + rBColor = maColor; + } + else if(!mbFillBackground) + { + rfOpacity = 0.0; + } + } + + void GeoTexSvxMultiHatch::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const + { + if(mbFillBackground || impIsOnHatch(rUV)) + { + rfOpacity = 1.0; + } + else + { + rfOpacity = 0.0; + } + } + +} // end of namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |